Long Island University Computer Competency Exam
As part of the college’s academic requirement, students must pass the Computer Competency Exam.
Questions and Answers
- 1.
When first powered on, the first instructions a computer will execute are stored in:
- A.
RAM
- B.
ROM
- C.
BOOT Drives Directory
- D.
None of these
Correct Answer
A. RAMExplanation
When a computer is first powered on, the first instructions it executes are stored in RAM (Random Access Memory). RAM is a type of computer memory that is volatile, meaning it loses its data when the power is turned off. It is used to store data and instructions that are actively being used by the computer's processor. ROM (Read-Only Memory) is another type of computer memory, but it contains permanent instructions that are not changed or erased. BOOT Drives Directory and None of these are not correct options for the first instructions executed by a computer.Rate this question:
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- 2.
Computers that represent data as distinct or separate numbers are:
- A.
Analog
- B.
Digital
- C.
Monolog
- D.
Pulsed
Correct Answer
A. AnalogExplanation
Computers that represent data as distinct or separate numbers are referred to as analog computers. Analog computers use continuous physical variables, such as voltage or current, to represent and manipulate data. This is in contrast to digital computers, which use discrete values, typically represented as binary digits (bits), to represent and process data. Analog computers are often used in scientific and engineering applications that require precise modeling and simulation of physical systems.Rate this question:
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- 3.
A set of four numbers separated by periods that uniquely identify each internet computeris:
- A.
URL
- B.
ISP
- C.
DNS
- D.
AN IP Address
Correct Answer
D. AN IP AddressExplanation
An IP address is a set of four numbers separated by periods that uniquely identifies each internet computer. It serves as a unique identifier for devices connected to a network, allowing them to communicate with each other. IP addresses are used for routing data packets across the internet, ensuring that they reach the correct destination.Rate this question:
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- 4.
A computer processes information through
- A.
A series of letters
- B.
A series of numbers
- C.
All of the above
- D.
None of the above
Correct Answer
B. A series of numbersExplanation
A computer processes information through a series of numbers. This is because computers use binary code, which represents data and instructions using a series of 0s and 1s. These numbers are processed by the computer's hardware and software to perform various tasks and operations.Rate this question:
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- 5.
What is the name of the key on a keyboard that is used to move the cursor directly to a tab stop.
Correct Answer
TabExplanation
The key on a keyboard that is used to move the cursor directly to a tab stop is the Tab key.Rate this question:
- 6.
Name the hardware input device use to enter letters and numbers into the computer.
Correct Answer
KeyboardExplanation
A keyboard is a hardware input device that allows users to enter letters and numbers into a computer. It consists of a set of keys, each representing a specific character or command. When a key is pressed, it sends a signal to the computer, which then displays the corresponding character on the screen or performs the desired command. Keyboards are essential for inputting text and numbers, making them a fundamental tool for computer users.Rate this question:
- 7.
What is the name of the key on a keyboard that is used to “move around” with a program or go back and escape from an operation.
Correct Answer
ESC(Escape Key)Explanation
The correct answer is the ESC (Escape Key). The ESC key on a keyboard is used to "move around" with a program or go back and escape from an operation. It is commonly used to cancel or exit a current task or operation, such as closing a pop-up window or canceling a command. The ESC key provides a quick and convenient way to navigate and abort actions on a computer.Rate this question:
- 8.
What is the name of the keys on computer keyboard used to move the cursor up, down, left, or right on your screen.
Correct Answer
Explanation
The keys on a computer keyboard used to move the cursor up, down, left, or right on the screen are called arrow keys.Rate this question:
- 9.
What is the name of the key used to erase characters to the right of the cursor.
Correct Answer
DeleteExplanation
The key used to erase characters to the right of the cursor is called the Delete key.Rate this question:
- 10.
What is the name of the key on keyboard or function of word processing software that is used to add text without deleting previously keyed text.
Correct Answer
InsertExplanation
The key on the keyboard or function in word processing software called "Insert" is used to add text without deleting previously keyed text. This function allows the user to insert new characters or words at the current cursor position, pushing the existing text forward. It is commonly used when making edits or additions within a document without having to rewrite or delete existing content.Rate this question:
- 11.
What is the name of the key used to begin a new line in a word processor, or to enter information into a spreadsheet. It is the same as clicking OK in a dialog box.
Correct Answer
Return/EnterExplanation
The key used to begin a new line in a word processor or enter information into a spreadsheet is the Return/Enter key. This key is equivalent to clicking OK in a dialog box.Rate this question:
- 12.
What is the name of the key on a keyboard that is used to capitalize letters when pressed with that letter key.
Correct Answer
ShiftExplanation
The key on a keyboard that is used to capitalize letters when pressed with that letter key is called the "Shift" key. When the Shift key is pressed simultaneously with a letter key, it allows the user to type the uppercase version of that letter.Rate this question:
- 13.
What is the name of the key on a keyboard that spaces the cursor forward one space at a time and produces a blank space when pressed.
Correct Answer
Space barExplanation
The key on a keyboard that spaces the cursor forward one space at a time and produces a blank space when pressed is called the space bar.Rate this question:
- 14.
What is the name of the key on a keyboard that is used to key all capital letters.
Correct Answer
Caps LockExplanation
The key on a keyboard that is used to type all capital letters is called the Caps Lock key. When this key is pressed, it locks the keyboard into uppercase mode, allowing all subsequent letters to be typed in capital letters until the key is pressed again to unlock it.Rate this question:
- 15.
What name is given to programs that allow you to accomplish certain tasks such as write letters, analyze numbers, sort files, manage finances, draw pictures, and play games.
Correct Answer
SoftwareExplanation
Software refers to programs that enable users to perform various tasks such as writing letters, analyzing numbers, sorting files, managing finances, drawing pictures, and playing games. It is a broad term that encompasses all types of computer programs and applications. Software is essential for operating computer systems and allows users to interact with hardware and perform specific functions based on their needs and preferences.Rate this question:
- 16.
Name the output device that produce sound on a computer
- A.
Monitor
- B.
Speakers
- C.
All of the above
Correct Answer
B. SpeakersExplanation
Speakers are the output device that produce sound on a computer. Monitors are primarily visual output devices and do not produce sound. Therefore, the correct answer is speakers.Rate this question:
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- 17.
Which of the following is a hand held input device?
- A.
Mouse
- B.
Scanner
- C.
Keyboard
Correct Answer
A. MouseExplanation
A mouse is a hand-held input device because it is designed to be held and operated by hand. It is used to move the cursor on a computer screen and select or interact with objects or text on the screen. The other options, such as a scanner or a keyboard, are not typically held in the hand while being used. A scanner is a device used to scan physical documents or images, and a keyboard is a device used to input text or commands into a computer.Rate this question:
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- 18.
Which of the following are output devices?
- A.
Monitor and Scanner
- B.
Monitor and Printer
- C.
Scanner and Printer
- D.
None of the above
Correct Answer(s)
A. Monitor and Scanner
B. Monitor and PrinterExplanation
The correct answer is Monitor and Scanner, Monitor and Printer. Both the monitor and printer are output devices as they display or produce information for the user. The scanner is also an output device as it creates a digital image or document that can be viewed or printed. Therefore, all three options listed are correct.Rate this question:
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- 19.
Name the input and output device that sends signals through the phone lines to telecommunications.
Correct Answer(s)
ModemExplanation
A modem is the input and output device that sends signals through the phone lines to telecommunications. It is used to convert digital signals from a computer into analog signals that can be transmitted over telephone lines, and vice versa. This allows for the transmission of data, such as internet connections, over the telecommunications network.Rate this question:
- 20.
Which of the following tasks would typically be carried out using a computer's operating system?
- A.
Creating a new folder for storing files
- B.
Adjusting the contrast and brightness of a digital photograph
- C.
Adding background music to a short video
- D.
Changing the fonts in a word processing document
Correct Answer
A. Creating a new folder for storing filesExplanation
The correct answer is creating a new folder for storing files. This task is typically carried out using a computer's operating system, as it is responsible for managing and organizing files and directories on the computer's storage. The operating system provides the necessary tools and interface to create and manage folders, allowing users to easily store and organize their files in a hierarchical structure.Rate this question:
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- 21.
How many types of cases are there for computers?
- A.
One
- B.
Two
- C.
Three
- D.
Four
- E.
Five
Correct Answer
E. FiveExplanation
There are five types of cases for computers.Rate this question:
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- 22.
The Motherboard is sometimes referred to as:
- A.
System board
- B.
Main board
- C.
All of the above
Correct Answer
C. All of the aboveExplanation
The motherboard is sometimes referred to as the system board or the main board. These terms are used interchangeably to describe the main circuit board in a computer system that holds and connects all the essential components such as the CPU, memory, and storage devices. Therefore, all of the above options are correct as they are different names for the same component.Rate this question:
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- 23.
A computer is not an effective tool if it doesn’t have a method to run
- A.
Software and Electricity
- B.
Electricity and Store Data
- C.
Software and Store Data
- D.
None of the above
Correct Answer
C. Software and Store DataExplanation
A computer is not an effective tool if it doesn't have a method to run software and store data. Software is necessary for the computer to perform various tasks and functions, while the ability to store data is crucial for saving and accessing information. Without these capabilities, the computer would be limited in its usefulness and functionality.Rate this question:
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- 24.
CRT which describes a certain type of a Monitor stands for:
- A.
Cathode Ray Tube
- B.
Certified Ray Tube
- C.
Compact Ray Tube
- D.
Computer Ray Tube
Correct Answer
A. Cathode Ray TubeExplanation
CRT stands for Cathode Ray Tube, which is a type of monitor. A cathode ray tube is a vacuum tube that contains one or more electron guns and a phosphorescent screen, and is used to display images. It works by emitting a beam of electrons, which are accelerated and focused onto the screen to create an image. CRT monitors were widely used in the past, but have been largely replaced by newer technologies such as LCD and LED displays.Rate this question:
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- 25.
LCD which describes a certain type of a Monitor stands for:
- A.
Liquid Crystal Display
- B.
Liquid Computer Display
- C.
Liquid Compact Display
- D.
None of the above
Correct Answer
A. Liquid Crystal DisplayExplanation
LCD stands for Liquid Crystal Display. This technology is used in monitors to display images and videos. Liquid crystals are a type of material that can change their molecular structure when an electric current is applied to them. This allows them to control the amount of light passing through them, creating the images that we see on the screen. LCD monitors are known for their thin and lightweight design, making them popular for use in laptops, televisions, and other electronic devices.Rate this question:
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- 26.
Expansion cards allow you to expand the computer to add:
- A.
Peripherals
- B.
Communication Devices
- C.
Other Functionality
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
Expansion cards are additional hardware components that can be added to a computer to enhance its capabilities. These cards can be used to add peripherals such as graphics cards, sound cards, or network cards, which enhance the computer's functionality. They can also be used to add communication devices like modems or wireless adapters, allowing the computer to connect to networks or other devices. Additionally, expansion cards can provide other functionalities like additional storage or specialized processing capabilities. Therefore, the correct answer is "All of the above" as expansion cards can be used to expand the computer in various ways.Rate this question:
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- 27.
The acronym PDA which is used to describe a type of a computer stands for?
- A.
Portable Device Assistant
- B.
Personal Digital Assistant
- C.
Portable Digital Assistant
- D.
Personal Device assistant
Correct Answer
B. Personal Digital AssistantExplanation
PDA stands for Personal Digital Assistant. This term is used to describe a type of computer that is small and portable, designed to assist individuals with tasks such as managing contacts, calendars, and notes. The acronym accurately reflects the purpose and functionality of this device, making it the correct answer.Rate this question:
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- 28.
The acronym CPU which is used to describe a certain part of the computer stands for?
- A.
Compact Processing Unit
- B.
Central Portable Unit
- C.
Compact Processing Unit
- D.
Central Processing Unit
- E.
None of the above
Correct Answer
D. Central Processing UnitExplanation
The correct answer is "Central Processing Unit". The CPU is the main component of a computer that performs most of the processing inside the computer. It is responsible for executing instructions of a computer program by performing basic arithmetic, logical, control, and input/output (I/O) operations. The CPU is often referred to as the "brain" of the computer because it carries out the instructions of a computer program and performs calculations and data processing.Rate this question:
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- 29.
The acronym RAM stands for?
- A.
Read Access Memory
- B.
Random Access Memory
- C.
Random Adaptable Memory
- D.
None of the above
Correct Answer
B. Random Access MemoryExplanation
RAM stands for Random Access Memory. This type of memory allows data to be read from and written to in any order, making it random. It is a form of computer memory that is volatile, meaning it loses its contents when the power is turned off. RAM is used by the computer to store data that is currently being used by the CPU, allowing for faster access compared to other types of memory.Rate this question:
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- 30.
The CPU processes instructions from?
- A.
RAM
- B.
Motherboard
- C.
Software
- D.
All of the above
Correct Answer
C. SoftwareExplanation
The CPU processes instructions from software. Software is a set of instructions or programs that tell the computer what to do. The CPU, or Central Processing Unit, is responsible for executing these instructions and performing the necessary calculations and operations. It fetches the instructions from the software and carries out the required tasks. RAM and the motherboard are components of the computer system that support the CPU's processing, but they do not directly provide the instructions for the CPU to process. Therefore, the correct answer is software.Rate this question:
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- 31.
The acronym ROM stands for:
- A.
Random Only Memory
- B.
Read Only Memory
- C.
None of the above
Correct Answer
B. Read Only MemoryExplanation
ROM stands for Read Only Memory. This type of memory is non-volatile, meaning that the data stored in it is not lost when the power is turned off. ROM is used to store permanent data and instructions that cannot be altered or erased by normal computer operations. It is commonly used for firmware, which is software that is permanently programmed into a hardware device. Therefore, the correct answer is Read Only Memory.Rate this question:
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- 32.
What types of storage are Hard Drives:
- A.
Primary Storage devices
- B.
Secondary Storage Devices
- C.
Tertiary Storage Devices
Correct Answer
B. Secondary Storage DevicesExplanation
Hard drives are categorized as secondary storage devices because they are used to store data that is not actively being processed by the computer's CPU. Unlike primary storage devices (such as RAM) that provide temporary storage for data being actively used by the computer, hard drives offer long-term storage for files, programs, and operating systems. Tertiary storage devices, on the other hand, typically refer to specialized storage systems like tape drives or optical discs, which are used for backup and archiving purposes. Therefore, hard drives fit the description of secondary storage devices.Rate this question:
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- 33.
Cookies are:
- A.
Large temporary files
- B.
Files that the computer stores after downloading
- C.
Small files that store information about the URLs of a particular website
- D.
None of the above
Correct Answer
C. Small files that store information about the URLs of a particular websiteExplanation
Cookies are small files that store information about the URLs of a particular website. They are used by websites to remember user preferences, track user activity, and provide a personalized browsing experience. When a user visits a website, the website sends a cookie to the user's browser, which then stores the cookie on the user's computer. This allows the website to recognize the user and remember their preferences or login information the next time they visit the site. Cookies are not large temporary files or files that the computer stores after downloading.Rate this question:
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- 34.
The Registry of a computer is:
- A.
A place on the desktop where information is saved
- B.
An external storage device
- C.
A place on your hard disk where the computer stores information about the applications that are installed, documents that are created by this application, hardware on your system like the ports on your computer
- D.
None of the above
Correct Answer
C. A place on your hard disk where the computer stores information about the applications that are installed, documents that are created by this application, hardware on your system like the ports on your computerExplanation
The Registry of a computer refers to a place on the hard disk where the computer stores information about the applications that are installed, documents that are created by these applications, and hardware on the system like the ports on the computer. It is not an external storage device or a place on the desktop where information is saved. Therefore, the correct answer is "A place on your hard disk where the computer stores information about the applications that are installed, documents that are created by this application, hardware on your system like the ports on your computer."Rate this question:
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- 35.
An operating system is the software component of a computer system, which is responsible for the management of
- A.
A wide variety of computer operations
- B.
Sharing of computer resources
- C.
hosting computer applications and handling the operations of computer hardware
- D.
Users and application programs access the operating system services through system calls and application programming interfaces.
- E.
All of the above
Correct Answer
E. All of the aboveExplanation
The given answer "All of the above" is correct because an operating system is responsible for managing a wide variety of computer operations, such as handling the operations of computer hardware, sharing computer resources, hosting computer applications, and providing services to users and application programs through system calls and application programming interfaces. Therefore, all of the options mentioned in the question are true statements about the responsibilities of an operating system.Rate this question:
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- 36.
Computers running different operating systems can work over a common network.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Computers running different operating systems can work over a common network because networks are designed to be compatible with multiple operating systems. Network protocols and standards, such as TCP/IP, allow computers with different operating systems to communicate and share resources. Additionally, network devices like routers and switches are designed to handle different operating systems, ensuring seamless connectivity between computers regardless of their operating system. Therefore, it is true that computers running different operating systems can work over a common network.Rate this question:
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- 37.
Spyware and computer viruses
- A.
Collect your personal and confidential information from the computer.
- B.
Slow down your computer and affects the overall performance.
- C.
All of the above
- D.
None of the above
Correct Answer
C. All of the aboveExplanation
Spyware and computer viruses can both collect personal and confidential information from a computer and slow down its performance. Spyware is specifically designed to gather information about a user's online activities without their knowledge or consent, while computer viruses can infect a system and cause various issues, including slowing down the computer and affecting its overall performance. Therefore, the correct answer is "All of the above."Rate this question:
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- 38.
Freeing up the disk space on your computer includes:
- A.
Deleting the internet history
- B.
Emptying the recycle bin and temporary files
- C.
Uninstalling programs not currently in use
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The correct answer is "All of the above". Freeing up disk space on a computer involves deleting the internet history, emptying the recycle bin and temporary files, and uninstalling programs that are not currently being used. By doing all of these actions, unnecessary files and programs are removed, which helps to create more available space on the computer's hard drive.Rate this question:
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- 39.
Which of the below media types stores information?
- A.
USB Flash drive
- B.
CD
- C.
Blu -Ray
- D.
DVD
- E.
All of the above
Correct Answer
E. All of the aboveExplanation
All of the options mentioned (USB Flash drive, CD, Blu-Ray, DVD) are different types of media that can store information. A USB Flash drive is a portable storage device that can store various types of data. CDs (Compact Discs), Blu-Rays, and DVDs (Digital Versatile Discs) are optical discs that can store large amounts of data, such as music, videos, or computer files. Therefore, all of the options listed can be used to store information.Rate this question:
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- 40.
What is the minimum memory requirements for Microsoft Windows XP?
- A.
32 MB
- B.
64 MB
- C.
128 MB
- D.
256 MB
Correct Answer
B. 64 MBExplanation
The minimum memory requirement for Microsoft Windows XP is 64 MB. This means that in order to run Windows XP, a computer must have at least 64 MB of RAM.Rate this question:
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- 41.
Which of the following should be considered when buying a computer
- A.
Operating Systems
- B.
The processor
- C.
The memory
- D.
Your Budget
- E.
All of the above
Correct Answer
E. All of the aboveExplanation
When buying a computer, several factors should be considered. The operating system is important as it determines the software compatibility and user experience. The processor is crucial for the computer's speed and performance. The memory is essential for multitasking and running programs smoothly. Lastly, your budget plays a significant role in determining the type and specifications of the computer you can afford. Therefore, all of the above options should be considered when buying a computer.Rate this question:
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- 42.
PC or Personal Computer could be:
- A.
Desktop
- B.
Laptop Computer
- C.
Pocket PC
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The correct answer is "All of the above" because a PC or Personal Computer can refer to any type of computer that is designed for personal use. This includes desktop computers, laptop computers, and even pocket PCs. Therefore, all the options listed are valid examples of a PC.Rate this question:
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- 43.
Macintosh or Mac is a brand name. The term refers to a whole line of personal computers that were designed and developed by?
- A.
Hewlett Packard
- B.
Cannon
- C.
Apple Computers
- D.
Microsoft Company
- E.
Dell Computers
Correct Answer
C. Apple ComputersExplanation
Macintosh, also known as Mac, is a brand name that refers to a line of personal computers. These computers were designed and developed by Apple Computers.Rate this question:
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- 44.
Which of the following statements is not true of Laptops:
- A.
Portability and capacity to operate on battery has served as a boon for mobile users.
- B.
Are enabled with an inbuilt keyboard
- C.
Run on single battery or an external adapter that charges the computer.
- D.
Laptops are miniaturized and optimized for mobile use
- E.
Are not similar in operation to desktops
Correct Answer
E. Are not similar in operation to desktopsExplanation
Laptops are similar in operation to desktops.Rate this question:
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- 45.
Which of the following is not true of Personal Digital Assistants (PDAs):
- A.
Handheld and popularly known as palmtop
- B.
Has a touch screen and a memory card for storage
- C.
Used as portable audio players
- D.
Cannot be used as web browsers and smart phones
Correct Answer
D. Cannot be used as web browsers and smart pHonesExplanation
PDAs can be used as web browsers and smart phones.Rate this question:
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Mar 28, 2023Quiz Edited by
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Sep 08, 2009Quiz Created by
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Only a few can pass this basic computer science quiz
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